Dual seat belt



FIG. 1 is a front perspective view of a dual seat belt showing my new design;

FIG. 2 is the double strap over head portion of the dual seat belt shown separately for ease of illustration;

FIG. 3 is a lap belt portion of the dual seat belt shown separately for ease of illustration;

FIG. 4 is a side perspective view thereof; and,

FIG. 5 is a rear perspective view thereof.

The broken line showing of the seat in FIGS. 1, 4 and 5 and the human form in FIG. 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a dual seat belt, as shown and described. 